British NVC community CG10

NVC community CG10 (Festuca ovina - Agrostis capillaris - Thymus praecox grassland) is one of the calcicolous grassland communities in the British National Vegetation Classification system. Of the upland group of calcicolous grasslands, it is the only one with a short sward associated with heavy grazing.

It is a comparatively widely distributed community in the British uplands. There are three subcommunities.

Community composition
The following constant species are found in this community:
 * Common Bent (Agrostis capillaris)
 * Harebell (Campanula rotundifolia)
 * Sheep's Fescue (Festuca ovina)
 * Red Fescue (Festuca rubra)
 * Ribwort Plantain (Plantago lanceolata)
 * Tormentil (Potentilla erecta)
 * Self-heal (Prunella vulgaris)
 * Wild Thyme (Thymus praecox)
 * Common Dog-violet (Viola riviniana)
 * Glittering Wood-moss (Hylocomium splendens)

The following rare species are also associated with the community:


 * the Lady's-mantle (Alchemilla filicaulis ssp. filicaulis)
 * the Lady's-mantle (Alchemilla wichurae)
 * Hair Sedge (Carex capillaris)
 * Soft-leaved Sedge (Carex montana)
 * Rock Sedge (Carex rupestris)
 * Hoary Whitlowgrass (Draba incana)
 * Limestone Bedstraw (Galium sterneri)
 * Spring Sandwort (Minuartia verna)
 * Alpine Forget-me-not (Myosotis alpestris)
 * Dwarf Cudweed (Omalotheca supina)
 * Alpine Pearlwort (Sagina saginoides)
 * Dwarf Willow (Salix herbacea)
 * Sibbaldia (Sibbaldia procumbens)
 * Scottish Asphodel (Tofieldia pusilla)

Distribution
This community is found widely on calcareous upland sites in Scotland, northern England and Wales.

Subcommunities
There are three subcommunities:
 * the Trifolium repens - Luzula campestris subcommunity
 * the Carex pulicaris - Carex panicea subcommunity
 * the Saxifraga aizoides - Ditrichum flexicaule subcommunity